🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.7

Radius: 10.5

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.16 AU - 1.36 AU

Year: 913 Days

Day: 7.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,406,637 km

• M1: 130,599 km (0.084 R)
• M2: 497,114 km (0.06 R)
• M3: 918,531 km (0.049 R)
• M4: 1,390,662 km (0.045 R)
• M5: 2,155,855 km (0.075 R)
• M6: 2,483,773 km (0.093 R)
• M7: 2,878,712 km (0.059 R)
• M8: 3,365,503 km (0.092 R)
• M9: 3,962,249 km (0.117 R)
• M10: 5,112,806 km (0.076 R)
• M11: 5,865,882 km (0.026 R)
• M12: 6,279,071 km (0.106 R)
• M13: 6,832,883 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.8

Radius: 12.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.21 AU - 1.51 AU

Year: 1024 Days

Day: 7.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,406,637 km

• M1: 158,424 km (0.114 R)
• M2: 593,904 km (0.115 R)
• M3: 1,003,652 km (0.102 R)
• M4: 1,571,526 km (0.092 R)
• M5: 2,306,201 km (0.068 R)
• M6: 2,741,531 km (0.115 R)
• M7: 3,398,864 km (0.111 R)
• M8: 4,175,576 km (0.116 R)
• M9: 4,792,517 km (0.085 R)
• M10: 7,615,878 km (0.101 R)
• M11: 9,056,505 km (0.106 R)
• M12: 9,565,437 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557

Radius: 8.5

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.09 AU - 2.35 AU

Year: 2136 Days

Day: 5.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,406,637 km

• M1: 106,813 km (0.099 R)
• M2: 473,328 km (0.116 R)
• M3: 910,004 km (0.107 R)
• M4: 1,552,676 km (0.115 R)
• M5: 1,883,886 km (0.096 R)
• M6: 2,262,069 km (0.12 R)
• M7: 2,676,306 km (0.106 R)
• M8: 3,220,094 km (0.083 R)
• M9: 4,248,879 km (0.056 R)
• M10: 4,691,838 km (0.095 R)
• M11: 5,120,735 km (0.107 R)
• M12: 5,717,481 km (0.105 R)
• M13: 6,804,908 km (0.067 R)
• M14: 7,103,954 km (0.095 R)
• M15: 7,497,396 km (0.09 R)
• M16: 7,905,200 km (0.076 R)
• M17: 9,892,159 km (0.116 R)
• M18: 10,347,535 km (0.047 R)
• M19: 11,112,579 km (0.096 R)
• M20: 11,604,905 km (0.025 R)
• M21: 12,190,730 km (0.084 R)
• M22: 15,005,714 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.7

Radius: 10.5

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.96 AU - 2.48 AU

Year: 2136 Days

Day: 13.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,406,637 km

• M1: 134,937 km (0.098 R)
• M2: 589,565 km (0.059 R)
• M3: 945,309 km (0.074 R)
• M4: 1,384,379 km (0.036 R)
• M5: 2,773,844 km (0.087 R)
• M6: 3,405,147 km (0.074 R)
• M7: 3,992,468 km (0.034 R)
• M8: 4,820,492 km (0.084 R)
• M9: 7,841,172 km (0.064 R)
• M10: 8,311,059 km (0.052 R)
• M11: 12,063,722 km (0.092 R)
• M12: 12,479,454 km (0.108 R)
• M13: 13,784,397 km (0.106 R)
• M14: 14,750,500 km (0.1 R)
• M15: 15,322,562 km (0.087 R)
• M16: 15,712,115 km (0.111 R)
• M17: 16,058,284 km (0.09 R)
• M18: 16,561,831 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.9

Radius: 11.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.23 AU - 3.03 AU

Year: 2754 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,406,637 km

• M1: 148,251 km (0.082 R)
• M2: 864,526 km (0.035 R)
• M3: 1,631,365 km (0.108 R)
• M4: 2,583,854 km (0.108 R)
• M5: 3,201,095 km (0.117 R)
• M6: 3,591,396 km (0.112 R)
• M7: 4,013,561 km (0.088 R)
• M8: 4,468,788 km (0.119 R)
• M9: 5,658,689 km (0.056 R)
• M10: 6,152,362 km (0.079 R)
• M11: 6,731,306 km (0.076 R)
• M12: 7,256,394 km (0.117 R)
• M13: 8,224,592 km (0.085 R)
• M14: 9,965,163 km (0.11 R)
• M15: 10,725,868 km (0.114 R)
• M16: 12,449,385 km (0.117 R)
• M17: 13,062,886 km (0.111 R)
• M18: 13,513,475 km (0.061 R)
• M19: 14,255,929 km (0.094 R)
• M20: 14,685,425 km (0.11 R)
• M21: 15,822,219 km (0.111 R)
• M22: 16,910,693 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.7

Radius: 9.6

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.01 AU - 3.61 AU

Year: 3888 Days

Day: 9.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,406,637 km

• M1: 119,828 km (0.053 R)
• M2: 663,467 km (0.099 R)
• M3: 1,128,866 km (0.107 R)
• M4: 1,492,987 km (0.092 R)
• M5: 2,218,088 km (0.049 R)
• M6: 2,643,993 km (0.077 R)
• M7: 3,067,804 km (0.056 R)
• M8: 3,767,323 km (0.108 R)
• M9: 6,572,134 km (0.11 R)
• M10: 7,696,810 km (0.036 R)
• M11: 9,257,565 km (0.091 R)
• M12: 10,798,423 km (0.098 R)
• M13: 11,152,820 km (0.03 R)
• M14: 12,894,439 km (0.107 R)
• M15: 16,150,137 km (0.108 R)
• M16: 16,614,190 km (0.107 R)
• M17: 17,206,747 km (0.11 R)
• M18: 17,874,851 km (0.067 R)
• M19: 20,517,946 km (0.045 R)
• M20: 21,338,341 km (0.114 R)
• M21: 22,322,994 km (0.071 R)
• M22: 24,993,615 km (0.115 R)
• M23: 25,929,201 km (0.101 R)
• M24: 26,646,074 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.7

Radius: 8.2

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.68 AU - 5.06 AU

Year: 6939 Days

Day: 12.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,406,637 km

• M1: 102,624 km (0.119 R)
• M2: 377,735 km (0.118 R)
• M3: 716,574 km (0.066 R)
• M4: 1,227,600 km (0.099 R)
• M5: 2,035,279 km (0.059 R)
• M6: 2,437,398 km (0.114 R)
• M7: 3,548,312 km (0.102 R)
• M8: 4,779,802 km (0.054 R)
• M9: 6,529,498 km (0.119 R)
• M10: 7,548,110 km (0.117 R)
• M11: 8,985,596 km (0.081 R)
• M12: 9,811,526 km (0.056 R)
• M13: 10,068,834 km (0.058 R)
• M14: 11,566,159 km (0.113 R)
• M15: 11,998,946 km (0.117 R)
• M16: 13,732,486 km (0.111 R)
• M17: 15,801,724 km (0.066 R)
• M18: 16,096,432 km (0.117 R)
• M19: 16,575,743 km (0.109 R)
• M20: 16,880,025 km (0.1 R)
• M21: 17,942,619 km (0.109 R)
• M22: 19,925,688 km (0.105 R)
• M23: 20,970,031 km (0.108 R)
• M24: 21,831,416 km (0.061 R)
• M25: 24,557,238 km (0.057 R)
• M26: 26,744,808 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.6

Radius: 12.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.26 AU - 6.88 AU

Year: 8488 Days

Day: 5.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,406,637 km

• M1: 157,227 km (0.036 R)
• M2: 586,723 km (0.096 R)
• M3: 1,128,566 km (0.087 R)
• M4: 1,934,001 km (0.109 R)
• M5: 2,481,230 km (0.117 R)
• M6: 3,243,132 km (0.094 R)
• M7: 5,127,018 km (0.073 R)
• M8: 8,581,233 km (0.088 R)
• M9: 11,861,017 km (0.042 R)
• M10: 14,375,308 km (0.107 R)
• M11: 14,799,717 km (0.119 R)
• M12: 19,005,512 km (0.051 R)
• M13: 21,449,791 km (0.119 R)
• M14: 23,215,495 km (0.117 R)
• M15: 23,874,175 km (0.119 R)
• M16: 26,396,993 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.8

Radius: 4.6

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.85 AU - 7.33 AU

Year: 9704 Days

Day: 20.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,406,637 km

• M1: 59,540 km (0.055 R)
• M2: 220,058 km (0.095 R)
• M3: 502,050 km (0.03 R)
• M4: 1,053,468 km (0.106 R)
• M5: 1,576,462 km (0.062 R)
• M6: 2,195,947 km (0.107 R)
• M7: 2,494,395 km (0.079 R)
• M8: 3,191,222 km (0.1 R)
• M9: 3,853,342 km (0.12 R)
• M10: 4,311,261 km (0.119 R)
• M11: 5,389,413 km (0.083 R)
• M12: 5,902,384 km (0.057 R)
• M13: 8,319,586 km (0.062 R)
• M14: 12,404,207 km (0.065 R)
• M15: 12,795,106 km (0.08 R)
• M16: 13,396,938 km (0.067 R)
• M17: 13,601,588 km (0.105 R)
• M18: 14,983,274 km (0.087 R)
• M19: 15,538,880 km (0.104 R)
• M20: 16,809,116 km (0.104 R)
• M21: 17,960,571 km (0.092 R)
• M22: 20,419,361 km (0.1 R)
• M23: 21,101,827 km (0.117 R)
• M24: 22,801,558 km (0.11 R)
• M25: 23,020,270 km (0.051 R)
• M26: 23,314,080 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.6

Radius: 7

Gravity: 18.83 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.92 AU - 10.66 AU

Year: 19778 Days

Day: 18.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,406,637 km

• M1: 87,664 km (0.111 R)
• M2: 385,514 km (0.04 R)
• M3: 714,479 km (0.113 R)
• M4: 1,074,562 km (0.085 R)
• M5: 1,420,432 km (0.1 R)
• M6: 2,077,316 km (0.119 R)
• M7: 2,817,227 km (0.072 R)
• M8: 3,568,358 km (0.083 R)
• M9: 3,942,053 km (0.115 R)
• M10: 4,768,133 km (0.096 R)
• M11: 5,183,117 km (0.112 R)
• M12: 5,419,482 km (0.054 R)
• M13: 5,956,538 km (0.093 R)
• M14: 9,592,515 km (0.082 R)
• M15: 9,889,466 km (0.088 R)
• M16: 15,517,189 km (0.096 R)
• M17: 21,219,860 km (0.104 R)
• M18: 23,500,778 km (0.101 R)
• M19: 24,479,298 km (0.103 R)
• M20: 26,285,393 km (0.025 R)
• M21: 34,539,156 km (0.091 R)
• M22: 35,945,227 km (0.101 R)
• M23: 36,230,959 km (0.045 R)
• M24: 37,097,130 km (0.108 R)
• M25: 40,084,450 km (0.108 R)
• M26: 46,195,074 km (0.076 R)
• M27: 48,073,276 km (0.052 R)
• M28: 50,715,773 km (0.089 R)
• M29: 51,255,671 km (0.106 R)
• M30: 56,867,087 km (0.087 R)
• M31: 57,644,847 km (0.098 R)
• M32: 58,824,725 km (0.118 R)
• M33: 59,221,608 km (0.104 R)
• M34: 62,874,339 km (0.112 R)
• M35: 70,178,156 km (0.089 R)
• M36: 71,748,934 km (0.071 R)
• M37: 73,343,198 km (0.092 R)
• M38: 77,312,628 km (0.116 R)
• M39: 79,713,225 km (0.038 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 18,145 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit